<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="教案类型" prop="jiaoanClass">
        <el-select v-model="queryParams.jiaoanClass" placeholder="请选择教案类型" clearable>
          <el-option
            v-for="dict in dict.type.jiaoan"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:jiaoan:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:jiaoan:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:jiaoan:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:jiaoan:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="jiaoanList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="序号" align="center" prop="id" width="50%"/>
      <el-table-column label="名称" align="center" prop="name" />
      <el-table-column label="教案类型" align="center" prop="jiaoanClass">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.jiaoan" :value="scope.row.jiaoanClass"/>
        </template>
      </el-table-column>
<!--      <el-table-column label="教材文件" align="center" prop="jiaocaiPath" />-->
      <el-table-column label="教材识别文字内容" align="center" prop="jiaocai" width="1200%"/>
<!--      <el-table-column label="教案文件" align="center" prop="jiaoanPath" />-->
<!--      <el-table-column label="教案内容" align="center" prop="jiaoan" width="1200%"/>-->
      <el-table-column label="教案内容" align="center" >
        <template slot-scope="scope">
          <el-button
            type="text"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:jiaoan:edit']">
            {{ scope.row.jiaoan ? '查看教案内容' : '无内容' }}
          </el-button>
        </template>
      </el-table-column>
      <el-table-column label="创建者" align="center" prop="createBy" />
      <el-table-column label="创建时间" align="center" prop="createTime" >
<!--        <template slot-scope="scope">-->
<!--          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>-->
<!--        </template>-->
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="100%">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleDownloadJiaocai(scope.row)"
            v-hasPermi="['system:jiaoan:edit']"
          >下载教材</el-button>

          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleDownloadJiaoan(scope.row)"
            v-hasPermi="['system:jiaoan:edit']"
          >下载教案</el-button>

          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:jiaoan:edit']"
          >修改教案</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:jiaoan:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改教案内容对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="60%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <!-- 新增时显示的字段 -->
        <template v-if="title === '添加教案生成'">
          <el-form-item label="名称" prop="name">
            <el-input v-model="form.name" placeholder="请输入名称" />
          </el-form-item>
          <el-form-item label="教案类型" prop="jiaoanClass">
            <el-select v-model="form.jiaoanClass" placeholder="请选择教案类型">
              <el-option
                v-for="dict in dict.type.jiaoan"
                :key="dict.value"
                :label="dict.label"
                :value="dict.value"
              ></el-option>
            </el-select>
          </el-form-item>
          <el-form-item label="教材文件" prop="jiaocaiPath">
            <file-upload v-model="form.jiaocaiPath"/>
          </el-form-item>
        </template>

        <!-- 修改时显示的字段 -->
        <template v-if="title === '修改教案内容'">
          <el-form-item label="教案内容">
            <editor v-model="form.jiaoan" :min-height="192"/>
          </el-form-item>
        </template>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button
          type="primary"
          @click="submitForm"
          :loading="submitLoading"> <!-- 绑定加载状态 -->
          确 定
        </el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listJiaoan, getJiaoan, delJiaoan, addJiaoan, updateJiaoan } from "@/api/system/jiaoan";

export default {
  name: "Jiaoan",
  dicts: ['jiaoan'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      submitLoading: false, // 新增提交加载状态
      // 教案生成表格数据
      jiaoanList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        jiaoanClass: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询教案生成列表 */
    getList() {
      this.loading = true;
      listJiaoan(this.queryParams).then(response => {
        this.jiaoanList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        name: null,
        jiaoanClass: null,
        jiaocaiPath: null,
        jiaocai: null,
        jiaoanPath: null,
        jiaoan: null,
        createBy: null,
        createTime: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加教案生成";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getJiaoan(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改教案内容";
      });
    },
    /** 下载按钮操作 */
    handleDownloadJiaocai(row) {
      // 假设 row 包含文件的 URL
      const fileUrl = row.jiaocaiPath; // 替换为实际的 URL 字段
      if (fileUrl) {
        window.location.href = "http://localhost:8080"+fileUrl;
      } else {
        this.$modal.msgError("文件URL不存在");
      }
    },

    handleDownloadJiaoan(row) {
      // 假设 row 包含文件的 URL
      const fileUrl = row.jiaoanPath; // 替换为实际的 URL 字段
      if (fileUrl) {
        window.location.href = "http://localhost:8080"+fileUrl;
      } else {
        this.$modal.msgError("文件URL不存在");
      }
    },
    /** 提交按钮 */
    submitForm() {
      const loadingInstance = this.$loading({
        lock: true,
        text: '正在提交...',
        spinner: 'el-icon-loading',
        background: 'rgba(0, 0, 0, 0.7)'
      });

      this.$refs["form"].validate(valid => {
        if (valid) {
          this.submitLoading = true; // 开始提交时开启加载状态

          const submitAction = this.form.id ? updateJiaoan(this.form) : addJiaoan(this.form);

          submitAction.then(response => {
            this.$modal.msgSuccess(this.form.id ? "修改成功" : "新增成功");
            this.open = false;
            this.getList();
          }).finally(() => {
            this.submitLoading = false; // 无论成功失败都关闭加载状态
            loadingInstance.close()
          });
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除教案生成编号为"' + ids + '"的数据项？').then(function() {
        return delJiaoan(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/jiaoan/export', {
        ...this.queryParams
      }, `jiaoan_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
